html,
body {
  height: 100%;
}
* {
  margin: 0;
  padding: 0;
}
ul,
ol {
  list-style: none;
  margin: 0;
  padding: 0;
}
.le_container {
  width: 100%;
  height: 100%;
  max-width: 640px;
  min-width: 320px;
  background-color: #fff;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  padding-top: 45px;
  padding-bottom: 55px;
}
.header {
  width: 100%;
  height: 45px;
  background-color: #006699;
  position: absolute;
  top: 0;
}
.header .icon_left,
.header .icon_right {
  display: block;
  width: 45px;
  height: 45px;
  position: absolute;
  top: 0;
  text-align: center;
  line-height: 45px;
  color: #FFF;
}
.header .icon_left {
  left: 0;
}
.header .icon_right {
  right: 0;
}
.header h4 {
  text-align: center;
  line-height: 45px;
  font-weight: 400;
  color: #fff;
  margin: 0;
}
.footer {
  width: 100%;
  height: 55px;
  background-color: #006699;
  position: absolute;
  bottom: 0;
}
.footer li {
  width: 25%;
  height: 55px;
  float: left;
  text-align: center;
  padding-top: 10px;
}
.footer li.active a {
  color: darkorange;
}
.footer li.active p {
  color: darkorange;
}
.footer li a {
  color: #FFF;
}
.footer li p {
  color: #FFF;
}
.main {
  width: 100%;
  height: 100%;
  /*可以保证，所有的内容全部都是在main内部*/
  /* overflow: hidden; */
  position: relative;
}
